Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Statistics
Test Description: Normal distribution
Instructions: Answer all questions to get your test result.
1) Suppose that SAT mat scores for a year are approx. normal. With a mean of 510 and a sigma of 100. What is the probability a random score selected is greater than 610?
A
0.5
B
.68
C
0.16
D
.34
2) Suppose that SAT mat scores for a year are approx. normal. With a mean of 510 and a sigma of 100. What is the probability that randomly selected score is greater than 710?
A
.01
B
.05
C
.10
D
.025
3) What is a lurking variable?
A
an association used to debunk your experiment
B
something required in any study or experiment
C
None of these
4) If your height is 54 inches, and the mean is 58 inches with a standard deviation of 1.2, in which standard deviation category do you fall?
A
between 2 standard deviations
B
between 3 standard deviations
C
between 1 standard deviation
D
above 3 standard deviations
5) Your height is 54 inches, and the mean is 58 inches with a standard deviation of 1.2. Your friends height is 60 inches. Who is relatively farther from the mean?
A
Your friend
B
You
6) What is standard deviation?
A
a measure of the mean
B
not important
C
A measure of how spread out the data is
D
the same thing as normal distribution
7) Jackie is within 2 standard deviations of the mean. How much data is left in the data?
A
12%
B
10%
C
2.5%
D
5%
8) What is the genreal rule for data that is approximately normal?
A
66-95-99.7
B
68-95-99.9
C
66-95-99.9
D
68-95-99.7
9) If a data set is approximately normal with a mean of 67 and a sigma value of 7, will data be spread out?
A
no, because the data is normal anyway
B
yes, because it approximately normal
C
no, because the sigma value is less than 10.
D
yes, because the sigma value is a big number
10) If a study is subject blind then...
A
both giver and receiver do not know which treatment they are getting
B
The person receiving the treatment does not know which treatment he/she is getting
C
the person giving the treatment does not know which treatment they are giving
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?